Search for dissertations about: "Gustav Berggren"

Showing result 1 - 5 of 6 swedish dissertations containing the words Gustav Berggren.

2. 1. Mimicking Nature – Synthesis and Characterisation of Manganese Complexes of Relevance to Artificial Photosynthesis

   Author : Gustav Berggren; F. Magnus Anderlund; Leif Hammarström; Vincent Pecoraro; Uppsala universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Manganese; biomimetic; artificial photosynthesis; water splitting; homogeneous catalysis; Chemistry; Kemi; fysikalisk kemi; Physical Chemistry;

   Abstract : The development of efficient catalyst for water oxidation is of paramount importance to artificial photosynthesis, but before this can be achieved a deeper understanding of this reaction is essential. In nature this reaction occurs in a tetranuclear Mn-cluster which serves as the work-horse of oxygenic photosynthesis. READ MORE

4. 2. New Roads for an Ancient Enzyme : Whole-Cell Studies and New Cofactors for [FeFe] Hydrogenases

   Author : Marco Lorenzi; Gustav Berggren; Hannah Shafaat; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; [FeFe] hydrogenases; hydrogen; catalysis; photocatalysis; spectroscopy; whole-cell; semi-artificial enzymes; Chemistry with specialization in Molecular Biomimetics; Kemi med inriktning mot molekylär biomimetik;

   Abstract : [FeFe] hydrogenases rare Nature’s best H2-processing catalysts, and one of the best candidates to satisfy societal need for cheap and efficient catalyst for H2-evolution. These enzymes owe their remarkable catalytic activities to their organometallic active site, called “H-cluster”. READ MORE

5. 3. The birth of the hydrogenase : Studying the mechanism of [FeFe] hydrogenase maturation

   Author : Brigitta Németh; Gustav Berggren; Ann Magnuson; Mohamed Atta; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; HydF; HydA; [FeFe] hydrogenase maturation; semi-synthetic enzymes; Biokemi; Biochemistry;

   Abstract : The [FeFe] hydrogenases are ancient metalloenzymes that catalyse the reversible interconversion between protons, electrons and molecular hydrogen. Despite the large structural variability within the [FeFe] hydrogenase family, the active site, the so called “H-cluster” is present in every representative. READ MORE

6. 4. Studies of second coordination sphere effects and metal variations on [FeFe]-hydrogenase mimics

   Author : Holly J. Redman; Gustav Berggren; Pickett Chris; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; hydrogenases; synthesis; inorganic chemistry; molecular biomimetics; spectroscopy; FTIR; cyclic voltammetry; catalysis; Chemistry with specialization in Molecular Biomimetics; Kemi med inriktning mot molekylär biomimetik;

   Abstract : Mitigation of climate change motivates researchers to explore hydrogen as a potential energy carrier. Unfortunately, widespread use of hydrogen as an energy carrier is limited by numerous challenges in its production, including high energy consumption; high economic cost; current reliance on rare metals such as platinum. READ MORE

7. 5. Wood Templated Organic Electronics

   Author : Van Chinh Tran; Isak Engquist; Magnus Berggren; Renee Kroon; Gustav Nyström; Linköpings universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Organic electronics; Wood; Lignin; Supercapacitor; Battery; Organic electrochemical transistor OECT ;

   Abstract : In today’s digital era, electronics are integral to most activities in our daily lives, offering swift and global communication, powerful data processing tools, and advanced sensor devices. However, there are drawbacks to the exponentially growing demand for electronics, such as the depletion of fossil resources, and the complexities surrounding recycling electronic waste (E-waste). READ MORE